public class bianliang {
    private int age;
    private char aChar;

    public void methon(){
        int a=5;
        System.out.println(a);
    }

    public static void main(String[] args) {
        bianliang bianliang1 = new bianliang();
        System.out.println(bianliang1.age);
        System.out.println(bianliang1.aChar);  //char类型成员变量默认值为“”
        bianliang1.methon();

    }
}
